Insert for a food container



FIG. 1 is an isometric view of an insert for a food container showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view, the rear elevational being a mirror image thereof; and,

FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image thereof. 

The ornamental design of an insert for a food container, as shown and described. 